Yvan Delporte Books

"A far too eager young Smurf wants to become an apprentice, and refuses to heed Papa Smurf's advice to wait until he's older. Instead he steal a page from Gargamel's spell book, and creates a magic...

The Smurf apprentice

By Peyo

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The Return of the Smurfette

By Peyo

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When Smurfette returns to Smurf Village, all of the Smurfs are excited to see her, but in order to avoid the unwanted attention she announces that she is looking to get married.

The Smurfs Graphic Novels Boxed Set

By Yvan Delporte, Peyo

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.